Initial commit

app/api/v2/admin/entities/document.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module API::V2
+  module Admin
+    module Entities
+      class Document < API::V2::Entities::Document
+        expose :doc_number,
+               documentation: {
+                type: 'String',
+                desc: 'document number: AB123123 type'
+               }
+      end
+    end
+  end
+end